05/03/2024

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Motor Home 6 Cyl 5.9 Cummins Diesel Engines

Motor Home 6 Cyl 5.9 Cummins Diesel Engines

The 12-valve 5.9-liter Cummins diesel inline 6-cylinder was introduced in the year 1984 and it is a powerful engine. The torque of this engine is so great that its hauling power and quick acceleration even with a heavy load are very good. The company continued to produce this engine till 2007.

Though, initially, this engine was used for agricultural purposes, it became a part of the Cummins B-series in 1989. Since 1989, the company started producing the engines that can appropriately be used on vehicles.

The amazing thing about 5.9 liter turbocharged engine with straight 6 cylinders is that it can operate with 40 per cent fewer working parts than its V8 counterpart. So, it is a more efficient engine and the chances of breakdowns are reduced to a great extent. With its 4.02 inch bore and 4.72 inch stroke, its compression ratio is 17:1 and so, the horsepower got is only 160 and the torque, 400 foot pounds. The injection pump used was a Bosch VE and in the year 1994, this injection pump was replaced by a Bosch P7100.

Since this engine was quite durable, the car manufacturers who used this did not insist for any change in its basic structure during the years between 1989 and 1993. There was no change in the horsepower also. In 1994, the horsepower was increased to 175 and the torque of the manual transmission version was 420.

If you go through the history of production of these engines, Cummins considered the launching of these engines as a gamble because for the first time, they were just entering the smaller equipment segment. This decision paid rich dividends and at present, 20 per cent of the company’s line of production consists of such smaller engines. Use of 5.9 B series engines in Dodge Ram pickup trucks took about four years of discussion. Of course, this was not the first time that Dodge used diesel engines. During the 1970s, they used Mitsubishi non-turbo diesel engines.

The B-series engines of the Cummins were also called the “one liter per cylinder” engines. In addition to being used on Dodge Ram, these 5.9 liter 6 cylinder engines were used in buses, military vehicles, construction equipment and also in the field of marine operations.

Originally designed by both Cummins and the Case Corporation, otherwise called the Consolidated Diesel Corporation, this engine was first used on the Dodge Ram in the year 1989. These Cummins engines were ably supported by a turbocharger. After 1989, even Dennis Dart minibuses started using this engine. This engine was patronized even by manufacturers of light to medium sized commercial trucks and buses.

This engine became a great alternative to V8 gasoline engines because it could produce double the torque at low engine speeds also. The fuel mileage was also much more than that of its gasoline counterparts. Since direct injection was used, there was no no need for glow plugs for starting the engine in chill weather conditions.

In the year 1991, intercoolers were also added. In 1994, when Dodge restyled its Ram vehicle, the engines were also modified suitably. The horsepower continued to be 160 and the torque, 400 pound-feet when the engine was equipped with the 47RH automatic transmission. But, the horsepower got a boost to 175 horsepower with a torque of 420 pound-feet, when the NV4500 manual transmission was opted.

The engine of 1996-1998 produced a horsepower of 180 horsepower and a torque of 420 pound-feet, when a 47RE automatic transmission was used. Again, the horsepower got a boost to 215 and the torque to 440 pound-feet, when a NV4500 manual transmission was used.

If you want a re-manufactured motor home 6 cyliner 5.9 Cummins diesel pusher with ID 44816094, you can definitely get a competent dealer if you search patiently. After all, the world is a finite place. You should ensure to choose a dealer who will be able to guide you in the choice of the right engine. Nonetheless, it is better to have your own mechanic for inspecting the engine before you buy it.